Originally Posted by
tfltackdriver
In a different part of the book, he talks about ST6 snipers using PSG-2 rifles (I think in context of the Maersk Alabama event), also shooting the 5.56 "predator" rounds. First -- there is no such thing as a PSG-2 rifle. He clearly means the PSG version of the HK G3, which he calls a G2. Second, the PSG is a 7.62 rifle.
The only thing I can think is that he meant M855 "penetrator."
I believe the book has been directly discredited at this point by JSOC and McRaven which is a huge shame.